Home / 5,606.20-8,411.10-3,759.40

Finding the Fourth Proportional to 5,606.20, 8,411.10 and 3,759.40

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Solution

The fourth proportional to 5,606.20, 8,411.10 and 3,759.40 is: 5,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.20 : 8,411.10 = 3,759.40 : x
  2. Step 2: Convert to fraction form
    5,606.20/8,411.10 = 3,759.40/x
  3. Step 3: Cross multiply
    5,606.20x = 8,411.10 × 3,759.40
  4. Step 4: Simplify right side
    5,606.20x = 31,620,689.34
  5. Step 5: Solve for x
    x = 31,620,689.34/5,606.20
  6. Step 6: Final answer
    x = 5,640.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.